import { Request, Response } from 'express';
import { ILessonDocument, Lesson } from '../models';

export const list = async (req: Request, res: Response) => {
  let { category } = req.query;
  let offset: any = req.query.offset;
  let limit: any = req.query.limit;
  offset = isNaN(offset) ? 0 : parseInt(offset); // 偏移量
  limit = isNaN(limit) ? 5 : parseInt(limit); // 每页条数
  // let query: Partial<ILessonDocument> = {} as ILessonDocument;
  let query: any = {} as ILessonDocument;
  if (category && category != "all") query.category = category as string;
  let total = await Lesson.count(query);
  let list = await Lesson.find(query).sort({ order: 1 }).skip(offset).limit(limit);
  setTimeout(function () {
    res.json({ code: 0, data: { list, hasMore: total > offset + limit } })
  }, 1000)
}
export const get = async (req: Request, res: Response) => {
  let id = req.params.id;
  let lesson = await Lesson.findById(id);
  res.json({ success: true, data: lesson })
}
